The Alpina Montana NNN-BC backcountry touring boots were designed to get you out in the backcountry for those special days of skiing. The Thinsulate insulated durable and waterproof synthetic "pleather" uppers provide great support and protection against the elements. The tall hiking boot design with a soft ankle collar combined with Rottefella NNN-BC III soles and Alpina's medium flexing midsole to provide plenty of lateral support for backcountry skiing while also making forward striding a breeze. An anatomic foot bed, padded collar, and speed lace system provide all-day comfort and a precise fit. A reinforced rand and heel counter add additional support and protection from crusty backcountry snow conditions. Features: Synthetic leather uppers, Thinsulate brand insulation, reinforced rand and heel counter, speed lacing system, paddled collar, anatomic foot bed, medium flex, NNN-BC binding compatibility, available in EUR sizes 35-49.